<span style="font-size: 20px;color: red">点击图片可直接下载</span>
<div>
    <a href="{$android_img}" download="android_img" title="安卓下载"><img width="330" src="{$android_img}"></a>
    <a href="{$android_img}" download="ios_img" title="苹果下载"><img width="330" src="{$ios_img}"></a>
</div>
